Headset



FIG. 1 is a perspective view of an ornamental design of a second embodiment of a headset.

FIG. 2 is a front view of the second embodiment.

FIG. 3 is a back view of the second embodiment.

FIG. 4 is a top view of the second embodiment.

FIG. 5 is a left side view of the second embodiment.

FIG. 6 is a right side view of the second embodiment; and,

FIG. 7 is a bottom view of the second embodiment.

The broken lines shown in FIGS. 1-7 are included for the purposes of illustrating environmental elements only and form no part of the claimed design. 

The ornamental design for a headset, as shown and described. 